Blue moons are known for folklore related to their appearance in the sky. But the real thing has less to do with its color and more to do with the time of year the full moon occurs. The next Blue Moon is on May 20, 2027. This will be a seasonal blue moon; Here’s what it is: Continue reading “What’s a blue moon? When’s the next one?”
The post What is a Blue Moon? When is the next one? First published on Astronomy Magazine.